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Fiber web machine roll

A fiber web and machine roll technology is applied in the field of manufacturing fiber web machine rolls, processing web materials, and maintaining the fiber web machine roll according to claim 1, and can solve problems such as not being effectively set, etc., Achieve the effect of easy processing and reduced material consumption

Inactive Publication Date: 2012-06-27
METSO PAPER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The further use of such hot rollers has not been efficiently set up

Method used

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  • Fiber web machine roll
  • Fiber web machine roll
  • Fiber web machine roll

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] figure 1 Shown is a heated and / or cooled fiber web machine roll, thermo roll 1 , for processing the fiber web. The heat roller 1 comprises: a body 2 for carrying, having a generally cylindrical outer surface; and shaft ends 3a, 3b fixed to the ends 2a, 2b of the body. exist figure 1 Among them, the first shaft end 3a fixed to the first end 2a of the body 2 includes at least one first flow channel 4a for introducing and / or leading out the heat transfer medium, and the first shaft end 3a fixed to the second end 2b of the body 2 The two shaft ends 3b include at least one first channel 4b for introducing and / or exporting heat transfer agent. The thermo roll 1 comprises a shell layer 5 surrounding the body 2 for transferring heat from the heat transfer agent to the fibrous web or from the fibrous web to the heat transfer agent during operation. The heat transfer agent is preferably oil used at high temperature. A tubular metal shell 5 having a wall thickness of about 1 t...

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Abstract

A fiber web machine roll (1 ) for processing a fiber web comprises a body (2) having a first end (2a) and a second end (2b); at least one shaft end (3a, 3b), fastened to an end of the body and comprising at least one first flow channel (4a, 4b) for conducting a heat-transfer agent in and / or out; and a shell layer around the body (2) for transferring heat from the heat- transfer agent to the fiberweb or from the fiber web to the heat-transfer agent during operation. A tube-like metal shell (5) having a wall thickness of about 1 to 20 mm is arranged as a shell layer around the body (2) of the roll (1 ) so that a peripheral flow chamber (6) for the heat-transfer agent, having a height of about 1 to 2 mm in the radial direction of the roll (1 ), is formed between the body (2) and the metal shell (5), the flow chamber (6) having a flow connection to said at least one first flow channel (4a, 4b). For the roll maintenance of the fiber web machine roll (1 ), a metal shell (5) forming the shell layer can be replaced by another metal shell (5) having the same characteristics or having different characteristics. The fiber web machine roll can be implemented by modernizing old rolls to become in accordance with the invention.

Description

technical field [0001] The present invention relates to a roll for use in a fiber web machine, preferably a paper, board and chemical pulp machine, for processing (eg heating and / or cooling) web-like material. [0002] The invention relates to a fiber web machine roll for processing fiber webs, comprising: a body having a first end and a second end; at least one shaft end fixed to the body and comprising at least one and / or a first flow channel leading out the heat transfer agent; and a shell layer surrounding the body for transferring heat from / from the heat transfer agent to / from the fibrous web during operation. [0003] Furthermore, the invention relates to a method according to claim 18 for servicing a fiber web machine roll according to claim 1 . [0004] Furthermore, the invention relates to a method according to claim 20 for manufacturing a fiber web machine roll. Background technique [0005] Currently, the thermal energy required for calendering paper and board i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21G1/02
CPCD21G1/0266D21F3/08F16C13/00
Inventor 亚尼·哈科拉卡里·海塞宁马尔库·科约马尔库·屈策宁马里·拉克索米卡·曼基拉阿龙·曼尼奥阿托·J·莫伊拉宁雷约·皮耶蒂凯宁彼得里·韦内特约基里斯托·韦泰宁米卡·维尔扬马
Owner METSO PAPER INC